APA (7th ed.) Citation

Southern Weed Science Laboratory (U.S.) & Frick, K. E. (1978). Biological control of thistles in the genus Carduus in the United States: A progress report. Science and Education Administration, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Southern Weed Science Laboratory (U.S.) and Kenneth Eugene Frick. Biological Control of Thistles in the Genus Carduus in the United States: A Progress Report. New Orleans, La.: Science and Education Administration, U.S. Dept. of Agriculture, 1978.

MLA (9th ed.) Citation

Southern Weed Science Laboratory (U.S.) and Kenneth Eugene Frick. Biological Control of Thistles in the Genus Carduus in the United States: A Progress Report. Science and Education Administration, U.S. Dept. of Agriculture, 1978.